About: http://webisa.webdatacommons.org/159055750

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The amount of vitamin D your skin makes depends on time of day, season, latitude, skin pigmentation and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	nof.org